Finding the Fourth Proportional to 780,516.36, 1,169,934.68 and 510,542.80
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Solution
The fourth proportional to 780,516.36, 1,169,934.68 and 510,542.80 is: 765,264.84
Step by Step Solution
- Step 1: Write the proportion equation
780,516.36 : 1,169,934.68 = 510,542.80 : x - Step 2: Convert to fraction form
780,516.36/1,169,934.68 = 510,542.80/x - Step 3: Cross multiply
780,516.36x = 1,169,934.68 × 510,542.80 - Step 4: Simplify right side
780,516.36x = 597,301,727,344.30 - Step 5: Solve for x
x = 597,301,727,344.30/780,516.36 - Step 6: Final answer
x = 765,264.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.